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2022-02-03libbb/sha256: code shrink in 64-bit x86Denys Vlasenko
function old new delta sha256_process_block64_shaNI 730 706 -24 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-02-03libbb/sha256: code shrink in 32-bit x86Denys Vlasenko
function old new delta sha256_process_block64_shaNI 747 722 -25 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-02-03libbb/sha256: optional x86 hardware accelerated hashingDenys Vlasenko
64 bit: function old new delta sha256_process_block64_shaNI - 730 +730 .rodata 108314 108586 +272 sha256_begin 31 83 +52 ------------------------------------------------------------------------------ (add/remove: 5/1 grow/shrink: 2/0 up/down: 1055/-1) Total: 1054 bytes 32 bit: function old new delta sha256_process_block64_shaNI - 747 +747 .rodata 104318 104590 +272 sha256_begin 29 84 +55 ------------------------------------------------------------------------------ (add/remove: 5/1 grow/shrink: 2/0 up/down: 1075/-1) Total: 1074 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-25libbb/sha1: in unrolled x86-64 code, pass initial W[] in registers, not on stackDenys Vlasenko
This can be faster on some CPUs. On Skylake, evidently load latency from L1 (or store-to-load forwarding in LSU) is fast enough to completely hide memory reference latencies here. function old new delta sha1_process_block64 3495 3514 +19 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-24cut: build fix for FEATURE_CUT_REGEXDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-23apply const trick to ptr_to_globalsKhem Raj
This was missing in the previous attempt to fix it via [1] This helps fix segfaults when compiling with clang ( seen on riscv64 ) [ 452.428349] less[270]: unhandled signal 11 code 0x1 at 0x000000000000000c in busybox.nosuid[2ab7491000+ba000] [ 452.430246] CPU: 3 PID: 270 Comm: less Not tainted 5.15.13-yocto-standard #1 [ 452.431323] Hardware name: riscv-virtio,qemu (DT) [ 452.431925] epc : 0000002ab74a19ee ra : 0000002ab74a19dc sp : 0000003fec6ec980 [ 452.432725] gp : 0000002ab754dcb0 tp : 0000003f88783800 t0 : 0000003f8878d4a0 [ 452.433744] t1 : 0000002ab749b00c t2 : 0000000000000000 s0 : 0000003fec6ecc38 [ 452.434732] s1 : 000000000000004c a0 : 00000000ffffffff a1 : 0000002ab754dde0 [ 452.435861] a2 : 0000000000000000 a3 : 0000000000000100 a4 : 0000002ab754f3a0 [ 452.436787] a5 : 0000002ab754f3a0 a6 : 0000000000000000 a7 : 0000002ab754f2a0 [ 452.437974] s2 : 0000000000000002 s3 : 0000002ab754b6c8 s4 : 0000002ab749b60e [ 452.438781] s5 : 0000000000000000 s6 : 0000002ab754b6c8 s7 : 0000003f88943060 [ 452.439723] s8 : 0000003f88944050 s9 : 0000002ad8502e88 s10: 0000002ad8502de8 [ 452.440538] s11: 0000000000000014 t3 : 0000003f887fceb6 t4 : 0000003f8893af0c [ 452.441438] t5 : 0000000000000000 t6 : 0000003f88923000 [1] https://git.busybox.net/busybox/commit/?id=1f925038a Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-23mkfs.vfat: fix volume label to be padded with spaceTimo Teräs
The specification requires volume label to be space padded. Latest fsck.vfat will remove the zero padded volume label as invalid. See also: https://github.com/dosfstools/dosfstools/issues/172 Make the default label also "NO NAME" which has the special meaning that label is not set. function old new delta mkfs_vfat_main 1470 1502 +32 static.NO_NAME_11 - 12 +12 .rodata 104309 104318 +9 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 53/0) Total: 53 bytes Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-23Add support for long options to cmpWalter Lozano
In order to improve compatibility with GNU cmp add support for long options to busybox cmp. function old new delta static.cmp_longopts - 36 +36 cmp_main 589 594 +5 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/0 up/down: 41/0) Total: 41 bytes Signed-off-by: Walter Lozano <walter.lozano@collabora.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-23sed: fix handling of escaped delimiters in s/// replacementDenys Vlasenko
function old new delta parse_regex_delim 111 140 +29 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-23sed: fix handling of escaped delimiters in s/// search pattern, closes 14541Denys Vlasenko
function old new delta copy_parsing_escapes 67 96 +29 parse_regex_delim 109 111 +2 get_address 213 215 +2 add_cmd 1176 1178 +2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 35/0) Total: 35 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-23add busybox_ldscript.README.txtDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-23libbb/sha1: use SSE2 in unrolled x86-64 code. ~10% fasterDenys Vlasenko
function old new delta .rodata 108241 108305 +64 sha1_process_block64 3502 3495 -7 ------------------------------------------------------------------------------ (add/remove: 5/0 grow/shrink: 1/1 up/down: 64/-7) Total: 57 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-18libbb: shrink lineedit_read_key()Denys Vlasenko
function old new delta lineedit_read_key 237 231 -6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-17fix "defined but not used" warningsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-17ash,hush: fix handling of SIGINT while waiting for interactive inputDenys Vlasenko
function old new delta lineedit_read_key 160 237 +77 __pgetc 522 589 +67 fgetc_interactive 244 309 +65 safe_read_key - 39 +39 read_key 588 607 +19 record_pending_signo 23 32 +9 signal_handler 75 81 +6 .rodata 104312 104309 -3 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 6/1 up/down: 282/-3) Total: 279 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-16shell: add comments about SIGINT-related problemsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-13libbb: introduce and use chdir_or_warn()Denys Vlasenko
function old new delta chdir_or_warn - 37 +37 send_cgi_and_exit 720 711 -9 xchdir 27 15 -12 setup_environment 233 217 -16 fork_job 449 433 -16 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/4 up/down: 37/-53) Total: -16 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-13libbb: invert the meaning of SETUP_ENV_NO_CHDIR -> SETUP_ENV_CHDIRDenys Vlasenko
Double negatives are hard to grok. function old new delta login_main 986 988 +2 su_main 474 470 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 2/-4) Total: -2 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-13sulogin: util-linux does not say "normal startup" on Ctrl-DDenys Vlasenko
function old new delta sulogin_main 341 331 -10 .rodata 104327 104312 -15 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-25) Total: -25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-13sulogin: start _login_ shell only with -pDenys Vlasenko
Also, shorten/eliminate messages to be closer to util-linux. function old new delta packed_usage 34233 34238 +5 sulogin_main 340 341 +1 .rodata 104380 104327 -53 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 6/-53) Total: -47 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-13ash: ^C with SIG_INGed SIGINT should not exit the shellDenys Vlasenko
function old new delta __pgetc 501 522 +21 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-12sulogin: increase util-linux compatibilityDenys Vlasenko
Change to root's HOME. Set some envvars. Steal ctty if necessary and possible. function old new delta sulogin_main 240 340 +100 setup_environment 225 233 +8 su_main 479 474 -5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 108/-5) Total: 103 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-12reset: better --help textDenys Vlasenko
function old new delta packed_usage 34175 34233 +58 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-11nmeter: %[md] %[mw] - dirty file-backed pages, writeback pagesDenys Vlasenko
function old new delta collect_mem 333 387 +54 .rodata 104369 104380 +11 packed_usage 34184 34175 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 65/-9) Total: 56 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-08ls: implement ls -sh (human-readable allocated blocks)Denys Vlasenko
function old new delta display_single 979 1018 +39 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-08libbb/sha1: add a commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-08awk: input numbers are never octal or hex (only program consts can be)Denys Vlasenko
function old new delta next_token 825 930 +105 getvar_i 114 129 +15 nextchar 49 53 +4 my_strtod 138 - -138 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 3/0 up/down: 124/-138) Total: -14 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-08XXXsum: handle binary sums with " " in the pathEmanuele Giacomelli
If a line specifies a binary checksum whose path contains two adjacent spaces, when checking digests with -c the two spaces will be used as the separator between the digest and the pathname instead of " *", as shown: $ echo foo > "/tmp/two spaces" $ md5sum -b "/tmp/two spaces" # This is GNU md5sum d3b07384d113edec49eaa6238ad5ff00 */tmp/two spaces $ md5sum -b "/tmp/two spaces" | ./busybox md5sum -c md5sum: can't open 'spaces': No such file or directory spaces: FAILED md5sum: WARNING: 1 of 1 computed checksums did NOT match function old new delta md5_sha1_sum_main 503 496 -7 Signed-off-by: Emanuele Giacomelli <emanuele.giacomelli@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-08libbb/sha1: simplify cpuid codeDenys Vlasenko
function old new delta sha1_begin 107 106 -1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-08whitespace fixDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-07libbb/sha1: tweak commentsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-07powertop: fix cpuid asm: ebx saving/restoring is properly done by gccDenys Vlasenko
function old new delta print_intel_cstates 481 477 -4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-07libbb/sha1: optional i686 hardware accelerates hashingDenys Vlasenko
function old new delta sha1_process_block64_shaNI - 524 +524 sha1_begin 57 114 +57 .rodata 104353 104369 +16 static.shaNI - 1 +1 ------------------------------------------------------------------------------ (add/remove: 4/0 grow/shrink: 2/0 up/down: 598/0) Total: 598 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-07libbb/sha1: optional x86-64 hardware accelerates hashingDenys Vlasenko
function old new delta sha1_process_block64_shaNI - 510 +510 sha1_begin 52 107 +55 .rodata 108285 108301 +16 static.shaNI - 1 +1 ------------------------------------------------------------------------------ (add/remove: 4/0 grow/shrink: 2/0 up/down: 582/0) Total: 582 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-06fdisk: recognize EBBR protective partitionsVincent Stehlé
The MBR partition type 0xF8 is used by the Arm EBBR specification[1] for protective partitions over fixed-location firmware images. [1]: https://github.com/ARM-software/ebbr Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-05libbb: change xstrndup, xmemdup to take size_t as size parameterDenys Vlasenko
Also, remove entirely usually-disabled paranoia check (was also using wrong config option to enable itself). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-05libbb: code shrink: introduce and use [_]exit_SUCCESS()Denys Vlasenko
function old new delta exit_SUCCESS - 7 +7 _exit_SUCCESS - 7 +7 run_pipe 1562 1567 +5 pseudo_exec_argv 399 400 +1 finish 86 87 +1 start_stop_daemon_main 1109 1107 -2 shutdown_on_signal 38 36 -2 runsv_main 1662 1660 -2 redirect 1070 1068 -2 read_line 79 77 -2 pause_and_low_level_reboot 54 52 -2 list_i2c_busses_and_exit 483 481 -2 less_exit 12 10 -2 identify 4123 4121 -2 grep_file 1161 1159 -2 getty_main 1519 1517 -2 fsck_minix_main 2681 2679 -2 free_session 132 130 -2 fdisk_main 4739 4737 -2 clean_up_and_exit 53 51 -2 bsd_select 1566 1564 -2 bb_daemonize_or_rexec 198 196 -2 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 3/17 up/down: 21/-34) Total: -13 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-05less: code shrinkDenys Vlasenko
function old new delta restore_tty - 29 +29 less_main 2107 2105 -2 getch_nowait 253 251 -2 buffer_print 614 612 -2 less_exit 51 12 -39 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/4 up/down: 29/-45) Total: -16 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-05sort: support -hDenys Vlasenko
function old new delta static.scale_suffix - 62 +62 .rodata 104304 104336 +32 compare_keys 820 848 +28 packed_usage 34159 34184 +25 static.suffix - 9 +9 sort_opt_str 37 38 +1 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 4/0 up/down: 157/0) Total: 157 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-04sort: fix -s -r interaction: 'stable' order is not affected by -rDenys Vlasenko
function old new delta compare_keys 818 820 +2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-04libbb: fflush_stdout_and_exit(0) still exits with _error_ (not 0!) if fflush ↵Denys Vlasenko
fails function old new delta fflush_stdout_and_exit 36 40 +4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-04libbb: factor out fflush_stdout_and_exit(EXIT_SUCCESS)Denys Vlasenko
function old new delta fflush_stdout_and_exit_SUCCESS - 7 +7 xxd_main 890 888 -2 vlock_main 353 351 -2 uuencode_main 318 316 -2 uniq_main 427 425 -2 uname_main 250 248 -2 sort_main 853 851 -2 shuf_main 500 498 -2 route_main 238 236 -2 readlink_main 113 111 -2 nice_main 156 154 -2 last_main 957 955 -2 ipcs_main 960 958 -2 env_main 209 207 -2 chrt_main 464 462 -2 cal_main 921 919 -2 baseNUM_main 650 648 -2 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/16 up/down: 7/-32) Total: -25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-04sed: correctly handle 'w FILE' commands writing to the same fileDenys Vlasenko
function old new delta sed_xfopen_w - 84 +84 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-04build system: detect if build host has no bzip2Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-04libbb/sha1: x86_64 version: reorder prologue/epilogue insnsDenys Vlasenko
Not clear exactly why, but this increases hashing speed on Skylake from 454 MB/s to 464 MB/s. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-04md5/shaXsum: use FEATURE_COPYBUF_KB to size the buffer instead of fixed 4kDenys Vlasenko
function old new delta md5_sha1_sum_main 536 565 +29 hash_file 419 401 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 29/-18) Total: 11 bytes In my test, for unrolled sha1, COPYBUF_KB=64 increases throughput from 367 MB/s to 457 MB/s. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-03libbb/sha1: x86_64 version: tidying up, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-03typo fixDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-03libbb/sha1: x86_64 version: generate from a script, optimize a bitDenys Vlasenko
function old new delta sha1_process_block64 3569 3502 -67 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2022-01-03libbb/sha1: x86_64 version: move to a separate .S file, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.1 at 2024-11-01 22:28:59 +0000